/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kie.workbench.common.stunner.core.client.canvas.controls.keyboard;

import org.kie.workbench.common.stunner.core.client.canvas.Canvas;
import org.kie.workbench.common.stunner.core.client.canvas.controls.CanvasControl;
import org.kie.workbench.common.stunner.core.client.event.keyboard.KeyboardEvent;
import org.kie.workbench.common.stunner.core.client.session.ClientSession;

public interface KeyboardControl<C extends Canvas, S extends ClientSession> extends CanvasControl<C>,
                                                                                    CanvasControl.SessionAware<S> {

    KeyboardControl<C, S> addKeyShortcutCallback(final KeyShortcutCallback shortcutCallback);

    void setKeyEventHandlerEnabled(final boolean enabled);

    interface KeyShortcutCallback {

        void onKeyShortcut(final KeyboardEvent.Key... keys);

        default void onKeyUp(final KeyboardEvent.Key key) {
        }
    }
}
